ASHLEY WWTP
NPDES ID: IN0022292
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
Violations
March 31, 2026
Nitrogen, ammonia total [as N]
31% over limit
Discharged 6.12445995 kg/d against a permitted limit of 4.6762 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
13% over limit
Discharged 3.5 mg/L against a permitted limit of 3.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Oxygen, dissolved [DO]
0% over limit
Discharged 7.3 mg/L against a permitted limit of 5 mg/L (DLYAVMIN)
DMR, Limited - Overdue
Solids, total suspended
68% over limit
Discharged 60.4 mg/L against a permitted limit of 36 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
21% over limit
Discharged 29.1 mg/L against a permitted limit of 24 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Solids, total suspended
96% over limit
Discharged 47.1 mg/L against a permitted limit of 24 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
51% over limit
Discharged 54.4 mg/L against a permitted limit of 36 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
December 31, 2025
Solids, total suspended
26% over limit
Discharged 45.67239962 kg/d against a permitted limit of 36.3654 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
63% over limit
Discharged 88.89319925 kg/d against a permitted limit of 54.5708 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
305% over limit
Discharged 97.1 mg/L against a permitted limit of 24 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
451% over limit
Discharged 198.5 mg/L against a permitted limit of 36 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
November 30, 2025
Solids, total suspended
82% over limit
Discharged 32.8 mg/L against a permitted limit of 18 mg/L (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Phosphorus, total [as P]
30% over limit
Discharged 1.3 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
June 30, 2025
Nitrogen, ammonia total [as N]
529% over limit
Discharged 27.69399977 kg/d against a permitted limit of 4.4038 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
15% over limit
Discharged 2.08839998 kg/d against a permitted limit of 1.816 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
132% over limit
Discharged 6.72 mg/L against a permitted limit of 2.9 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2025
Nitrogen, ammonia total [as N]
9% over limit
Discharged 3.39 mg/L against a permitted limit of 3.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2024
Phosphorus, total [as P]
14% over limit
Discharged 1.14 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2024
Nitrogen, ammonia total [as N]
21% over limit
Discharged 3.5 mg/L against a permitted limit of 2.9 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
11% over limit
Discharged 1.11 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)